Propolis Liquid Tincture from Bee Health has a variety of benefits. Propolis contains tree resin, essential oils, waxes and bioflavonoids. In liquid form it can be used to drink or gargle by mixing 4 - 5 drops with warm liquid. If used as a drink or mouth wash it has an immediate effect in providing you with bioflavonoids. Or it can be used externally to coat the skin with a protective layer.